title: Assessment of a multi-dose carbonated barium dispenser for double-contrast meals.
mesh_terms: D001466:Barium Sulfate; D002245:Carbon Dioxide; D004064:Digestive System / Q000000981:diagnostic imaging*; D004867:Equipment Design; D006801:Humans; D011859:Radiography
chemical_list: D002245:Carbon Dioxide; D001466:Barium Sulfate